Chalcopyrite, Sphalerite, Pyrite and Calcite from Huaron, Peru

From Alimon Mine, Huaron, Cerro de Pasco, Peru

Large formation of metallic chalcopyrite crystals overgrown on lustrous jet black sphalerite accented by small flat rhombic calcite crystals and yellow metallic pyrite crystals.

225.6 grams, 3.5 x .75 x 2.25 inches